The cost to install an electrical outlet depends on many factors. Find out what impacts the cost of installing an outlet in Los Angeles, CA.
How Much Does Whole-House Generator Installation Cost in Los Angeles, CA? [2026 Data]
Generator install costs depend on your project and location. Check with a local pro for your specific job.
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Cost Insights
On average, you’ll spend about $40 to $210 daily to run a 15-to-20-kW whole-house generator in Los Angeles, CA.
Generator size is one of the biggest factors affecting installation costs.
Installation complexity will increase costs if your project requires electrical panel upgrades, gas line installation, or additional site preparation.
Hiring a local generator installer can ensure your system is reliable when you need it most.
Whole-house generator installation costs in Los Angeles, CA, average $9,840, but often range from $5,235 to $14,922. What you’ll pay depends on your generator size, type, and installation complexity.
Whole-house generators work to maintain power during grid outages, heat waves, or other weather-related power outages in the LA area. Smaller backup systems may cost as little as $650, while large standby generators and complex installations can cost as much as $18,000 or more.
Whole-home Generator Installation Cost Factors
Several factors influence the total cost of installing a whole-house generator in Los Angeles, CA, including generator size, type, and fuel source. Understanding these factors can help you estimate installation costs and choose the right generator for your backup power needs.
Size
Use this chart to help you estimate the total cost of your whole-house generator by size and capacity.
| Size in kW | Average Cost Range | Home Size |
|---|---|---|
| 1–6kW | $650–$1,486 | Refrigerator, freezer, sump pump, lighting, and a few small appliances |
| 7.5–10kW | $1,733–$2,890 | All essential appliances plus a well pump, furnace fan, and additional lighting and outlets |
| 14–18kW | $3,468–$4,624 | All essential appliances plus air conditioning, hot water heater, and additional appliances |
| 20–24kW | $4,913–$6,069 | All essential and non-essential appliances, including multiple air conditioners and electric ranges |
| 26–32kW | $6,358–$12,716 | All home appliances and systems, including larger HVAC systems and multiple hot water heaters |
| 36–38kW | $11,848–$13,872 | All home appliances and systems, including commercial-grade equipment |
| 45–48kW | $13,872–$18,000 | All home appliances and systems, including multiple air conditioners, electric ranges, and commercial-grade equipment |
Generator Type
There are several types of generators worth considering when determining whether a whole-house generator is right for you.
| Generator Type | Generator Capacity | Average Cost |
|---|---|---|
| Portable generators | 1kW–7.5kW | $500–$2,000 |
| Partial generators | 9kW–20kW | $2,000–$6,300 |
| Whole-house generators | 22kW–48kW | $6,300–$18,000 |
Power Type
On average, you’ll spend about $40 to $210 daily to run a 15-to-20-kW whole-house generator in Los Angeles, CA. But not all whole-house generator fuels are alike, and depending on the brand and fuel you choose, you might spend far more than you expected in fuel costs.
Here is how much each fuel type costs per year or unit:
| Fuel Type | Cost |
|---|---|
| Natural gas | $1,500–$12,000 per year |
| Liquid propane | $1,800–$13,000 per year |
| Diesel | $600–$2,800 per year |
| Gasoline | $500–$3,000 per year |
| Solar generators | $2,000–$25,000 (unit price) |
| Battery back-up | $10,000–$25,000 (unit price) |
Whole-house Generator Installation Pro Costs
Labor accounts for a significant portion of generator installation costs—between 30% and 50%—because the project involves electrical connections, fuel lines, and site preparation, all of which require skilled professionals. For example, homeowners may pay $500 to $3,000 for labor alone for electrical work, depending on the complexity of the installation.
Because every home’s electrical system and energy needs are different, it’s best to consult a Los Angeles, CA, generator installer for an accurate installation estimate.
Does Installing a Whole-house Generator Increase Home Value?
Installing a whole-house generator can make your home more attractive to buyers in Los Angeles, CA, where heat waves, power outages, and shutoffs can disrupt electricity service. A standby generator keeps essential systems, such as refrigeration, lighting, and cooling, running during outages. While the exact return on investment (ROI) varies, backup power can enhance home appeal and provide homeowners with peace of mind.
How Angi Gets Its Cost Data
Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We survey real Angi customers about their project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We pair this data with research from reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
Generator installs reviews from real Angi homeowners in Los Angeles, CA
Last update on March 04, 2026
- Fredy C.
Great job with water heater install everything up to code.
The Water Heater Wizard LLC - Peyton F.
Prime Garage Openers completed the garage door installation professionally. The team arrived on time, installed the door efficiently, and ensured smooth, reliable operation. Great workmanship and a very positive overall experience.
Prime Garage Openers - Oleg L.
I couldn?t be happier with the work DNA Gates & Fences did on my property! From the first consultation to the final installation, everything was handled with professionalism and care. The team helped me choose the perfect design for my gate, and the craftsmanship was outstanding. They...
DNA Gates & Fences - Ricky N.
I needed help with some electrical projects (increasing voltage for breakers, installing chandeliers, installing outdoor solar lights with sensors, upgrading recess lightings, installing electrical outlets). This company responded quickly, and has sent an electrician to help me with various...
EGE LLC - Luis B.
Sammy and his crew installed a whole-house water filtration system for us. Their plumber was super knowledgeable and helped us choose the right system for our needs. Install was clean and professional.
- David J.
We recently hired Lopez Plumbing and Heating to install a new furnace in our home, and we could not be happier with the results. The team was highly skilled and knowledgeable, providing helpful guidance on selecting the right furnace for our needs. The installation was done quickly and with...
Lopez Plumbing & Heating Mechanical LLC - Joe B.
There were problems that had not been anticipated when the installer did his first inspection, but he came up with very creative solutions that worked well.
Ergeon - Leroy R.
Our experience with Sagi and the team at Home Upgrade Specialist for a Tesla Solar Roof installation was nothing short of exceptional. Sagi's in-depth knowledge about the product and its benefits was incredibly helpful in making our decision. The installation team, Inosente and Eric,...
Home Upgrade Specialist, Inc. - Astrid C.
Juan offered an exceptional service and the installation was done in the time we needed it done.
3Cab Electric Inc. - Emma C.
The installers were professional and friendly. I was especially impressed with the time that they took with the balancing of the air flows throughout the kitchen...
M.M Builders Group
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